Bernice Gamboa

Export 3020 results:
Filters: Drupal User is begamboa
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 
C
Thomas P.M, Golly K.F, Virginia R.A, Zyskind JW.  1995.  Cloning of nod gene regions from mesquite rhizobia and bradyrhizobia and nucleotide sequence of the nodD gene from mesquite rhizobia. Applied and Environmental Microbiology. 61:3422-3429.
I
West N.E., Whitford WG.  1995.  Intersection of ecosystem and biodiversity concerns in the management of rangelands. Natural Resources and Environmental Issues. IV:72-79.
D
Whitford WG.  1995.  Desertification: Implications and limitations of the ecosystem health metaphor. NATO ASI Series. I(28):273-292.
Whitford WG, Forbes GS, Kerley G.IH.  1995.  Diversity, spatial variability, and functional roles of invertebrates in desert grassland ecosystems. The Desert Grassland. :152-195.
M
Whitford WG, Martinez-Meza E., de Soyza A.G..  1995.  Morphological variation in creosotebush, Larrea tridentata: effects on ecosystem properties. Proceedings: symposium on shrubland ecosystem dynamics in a changing environment. Gen. Tech. Rep. INT-GTR-338:195-198.
P
Whitford WG, Martinez-Turanzas G., Martinez-Meza E..  1995.  Persistence of desertified ecosystems: explanations and implications. Environmental Monitoring Assessment. 37:319-332.
Whitford WG, Martinez-Turanzas G., Martinez-Meza E..  1995.  Persistence of desertified ecosystems: Explanations and implications. Desertification in developed countries. Reprinted from Environmental Monitoring and Assessment, Volume 37, Nos. 1-3, 1995:319-332.
V
Whitford WG, DiMarco R..  1995.  Variability in soils and vegetation associated with harvester ant (Pogonomyrmex rugosus) nests on a Chihuahuan Desert watershed. Biology and Fertility of Soils. 20:169-173.
W
Zak J.C, Sinsabaugh R., MacKay WP.  1995.  Windows of opportunity in desert ecosystems: Their implications to fungal community development. Canadian Journal of Botany. 73S:1407-1414.
B
Anderson D.M., Havstad K, Shupe, W. Larry, Libeau R., Smith J.N, Murray L.W.  1994.  Benefits and costs in controlling sheep bonded to cattle without wire fencing. Small Ruminant Research. 14:1-8.
R
Barrow J.R..  1994.  A role of endophytic fungi in regulating nutrients and energy in plants within a desert ecosystem. International Symposium and Workshop on Desertification in Developed Countries: Why Can't We Control It?.
E
Brisson J, Reynolds J.F.  1994.  The effect of neighbors on root distribution in a creosotebush (Larrea tridentata) population. Ecology. 75:1693-1702.
I
Cole DR, Monger CH.  1994.  Influence of atmospheric CO2 on the decline of C4 plants during the last deglaciation. Nature. 368:533-536.
E
Estell RE, Anderson D.M., Havstad K.  1994.  Effects of organic solvents on use of tarbush by sheep. Journal of Chemical Ecology. 20:1137-1142.
R
Estell RE, Fredrickson E.L., Anderson D.M., Mueller W., Remmenga M.D..  1994.  Relationship of tarbush leaf surface secondary chemistry to livestock herbivory. Journal of Range Management. 47:424-428.
S
Estell RE, Havstad K, Fredrickson E.L., Gardea-Torresdey J.L..  1994.  Secondary chemistry of the leaf surface of Flourensia cernua. Biochemical Systematics and Ecology. 22:73-77.
E
Ethridge D.E., Sosebee R.E, Sherwood R.D, Stanaland B.G., Herbel C.H..  1994.  Economic success of range reseeding in an arid environment. Texas Tech University, Research Highlights--1994; Noxious Brush and Weed Control, Range and Wildlife Management. 25:22-23.
Franco A.C, de Soyza A.G., Virginia R.A, Reynolds J.F, Whitford WG.  1994.  Effects of plant size and water relations on gas exchange and growth of the desert shrub Larrea tridentata. Oecologia. 97:171-178.
Fredrickson E.L., Thilsted J.P., Estell RE, Havstad K.  1994.  Effects of chronic ingestion of tarbush (Flourensia cernua) on ewe lambs. Veterinary and Human Toxicology. 36:409-415.
I
Gambill M.D., Petersen M.K., Hawkins D.E., Dhuyvetter D.V., Ward M., Tovar I., Havstad K, Wallace J.D..  1994.  Intake of cooked molasses blocks and subsequent performance of young postpartum cows grazing native range. Proceedings of the Western Section Meeting, American Society of Animal Science. 45:76-79.
R
Gibbens, Robert P..  1994.  Root systems of desert plants. Sonorensis. 14:4,5&19.
A
Havstad K, Fredrickson E.L., Estell RE.  1994.  Animal unit equivalents: An examination of the sheep to cattle ratio for stocking rangelands. Congressional White Paper for American Sheep Industry. :14.
M
Havstad K.  1994.  Management for rehabilitation of degraded arid ecosystems. The Wildlife Society Meeting. :Abstract40.
S
Havstad K.  1994.  Sheep grazing as a range improvement tool. Sheep Research Journal. 10:72-78.
R
Herbel C.H..  1994.  Rangeland cover types of the Southwestern Region: Creosotebush-Tarbush (SRM 508). Rangeland Cover Types of the United States. :67-68.
Herbel C.H..  1994.  Rangeland cover types of the southwestern region: Introduction (SRM 500). Rangeland Cover Types of the United States. :61.
S
Herbel C.H., Gile L.H, Fredrickson E.L., Gibbens, Robert P..  1994.  Soil water and soils at soil water sites, Jornada Experimental Range. Supplement to The Desert Project Soil Monograph, Soil and Landscapes of a Desert Region Astride the Rio Grande Valley Near Las Cruces, New Mexico, Vol. 1. Soil Survey Investigations Report 44:iii-592.
Herman P, Provencio KR, Torrez R, Seager GM.  1994.  Seasonal and spatial population dynamics of the nitrogen-efficient guild in a desert bajada grassland. Applied and Environmental Microbiology. 60:1160-1165.
A
Herrick JE, Whitford WG.  1994.  Approaches to assessing the quality of rangeland soils. American Society of Agronomy Meeting. :Abstract285.
F
James CD, M. Hoffman T, Lightfoot DC, Forbes GS, Whitford WG.  1994.  Fruit abortion in Yucca elata and its implications for the mutualistic association with yucca moths. Oikos. 69:207-216.
D
Kerley G.IH, Whitford WG.  1994.  Desert dwelling small mammals as granivores: intercontinental variations. Austrialian Journal of Zoology. 42:543-555.
S
Li H, Reynolds J.F.  1994.  A simulation experiment to quantify spatial heterogeneity in categorical maps. Ecology. 75:2446-2455.
F
MacKay WP, Loring S.J, Zak J.C, Silva S, Fisher F.M, Whitford WG.  1994.  Factors affecting loss in mass of creosotebush leaf-litter on the soil surface in the northern Chihuahuan Desert. The Southwestern Naturalist. 39:78-82.
Q
Marion G.M, Schlesinger W.H.  1994.  Quantitative modeling of soil forming processes in deserts: the CALDEP and CALGYP models. :129-145.
S
Martinez-Meza E..  1994.  Stemflow, throughfall, and root water channelization by three arid land shrubs in southern New Mexico. :81.
G
Prescott M., Havstad K, Olson-Rutz K.M, Ayers E.L., Petersen M.K..  1994.  Grazing behavior of free-ranging beef cows to initial and prolonged exposure to fluctuating thermal environments. Applied Animal Behavior Science. 39:103-113.
F
Rouda R.R, Anderson D.M., Wallace J.D., Murray L.W.  1994.  Free-ranging cattle water consumption in south-central New Mexico. Applied Animal Behavior Science. 39:29-38.
V
Schlesinger W.H.  1994.  The vulnerability of biotic diversity. Industrial Ecology. :245-260.
Thomas P.M, Golly K.F, Zyskind JW, Virginia R.A.  1994.  Variation of clonal, mesquite-associated rhizobial and bradyrhizobial populations from surface and deep soils by symbiotic gene region restriction fragment length polymorphism and plasmid profile analysis. Applied and Environmental Microbiology. 60:1146-1153.
R
Wallace W., Havstad K.  1994.  Rescuing at-risk data on the Jornada Experimental Range. International Symposium and Workshop on Desertification in Developed Countries: Why Can't We Control It?.
P
Whitford WG, Martinez-Turanzas G., Martinez-Meza E..  1994.  Persistence of desertified ecosystems: explanations and implications. International Symposium and Workshop on Desertification in Developed Countries: Why Can't We Control It?. :18-19.
Zak D.R, Tilman D., Parmenter R.R, Rice C.W, Fisher F.M, Vose J., Milchunas D., Martin C.W.  1994.  Plant production and soil microorganisms in late-successional ecosystems: A continental-scale study. Ecology. 75:2333-2347.
E
Anderson D.M., Havstad K, Smith J.N, Murray L.W.  1993.  Effect of diet on physical properties of sheep feces. Annual Meeting, Society for Range Management. :No.97.
Anderson D.M., Walker J.W., Havstad K, Murray L.W.  1993.  Evaluating the potential for lambs to bond to heifers. Annual Meeting, Society for Range Management. :No.98.
F
Anderson D.M., Havstad K, Shupe, W. Larry, Libeau R..  1993.  Facilitating mixed-species management of sheep with cattle through bonding. Annual Meeting, Society for Range Management. :No.96.
U
Barrow J.R..  1993.  The use of natural passive methods of dispersing and establishing native plants on arid rangelands. Revegetation and Ecology Session, USDI Fish and Wildlife Service. :7-8.
R
Beres LAnn.  1993.  Response potential of three perennial desert grasses to various disturbances. :94.
S
Boecklen W.J, Hoffman M.T.  1993.  Sex-biased herbivory in Ephedra trifurca: the importance of sex-by environment interactions. Oecologia. 96:49-55.
H
Brown JR, Stuth J.W..  1993.  How herbivory affects grazing tolerant and sensitive grasses in a central Texas grassland: Integrating plant response across hierarchical levels. Oikos. 67:291-298.
R
Daniel A, Holechek JL, Valdez R, Tembo A, Saiwana L, Rusco M, Cardenas M.  1993.  Range condition influences on Chihuahuan desert cattle and jackrabbit diets. Journal of Range Management. 46:296-301.

Pages